Two men, each uses one hand to hold their own dick. With their free hands, they grab each other's arms and move them up and down, causing the men to essentially jerk themselves off. Not gay because technically, each man is only holding his own dick and the other's arm.

Where's Alec? I think he's double dutching with Jamie, even though he said his arms were sore lately.

A 12" record by Frankie Smith recorded in 1979 by Gene Leone at Alpha International Recording Studios in Philadelphia,PA that has sold over 2 million copied to date...
"Double Dutch Bus" and "Triple Dutch Bus" employed "Pig Latin" in the verses, that at the time, many kids were "speaking" so that their parents could not understand them. See example of Double Dutch Bus Pig Latin: